What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
If you want to change all font size in a form, you just have to click preferences -> form styles -> font size. Change this value to any you want.
Selecting form styles. Here you can change the font size to any value you want.
But, if you mean the font size in a email notification, you have to select the text you want and change its size in the button as I show you here:
Hope it can help. If you have any problem or this doesn't help you, please post it.
I understand that you want to increase the font size of the submissions while printing. If so, unfortunately, it is not controlled by JotForm but the application that is being used i.e., the browser. Please refer to the website below that might help you in increasing the font size while printing the submissions.
If you are referring to something different, please let us know. We will be happy to assist.